An item designed to fit over the opening of an engine exhaust pipe or muffler to prevent the entrance of rain or foreign matter into the manifold section of a reciprocating engine while not in use. It is automatically opened when the engine is started by pressure exerted from the exhaust system. It is equipped with a hinging action and may or may not have a counter weight. Excludes cap, protective, dust and moisture seal.
Classification: Parts of engines and motors, nesoi
NSN 5975-01-493-2994
NSN 6130-00-850-9886
NSN 5990-00-901-2574
NSN 4140-01-398-2900
NSN 6620-00-495-7438
NSN 5895-00-127-9533
NSN 6105-01-522-1082
NSN 5965-01-107-8549
NSN 5910-01-064-6537
NSN 6145-00-233-6010
NSN 5915-01-113-7872
NSN 5920-00-422-0757